Online PHP editor | output for kH86n

Output for 8.3.0 - 8.3.6: Fatal error: Uncaught TypeError: date_format(): Argument #1 ($object) must be of type DateTimeInterface, false given in /in/kH86n:2 Stack trace: #0 /in/kH86n(2): date_format(false, 'd.m.Y') #1 {main} thrown in /in/kH86n on line 2
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18: Fatal error: Uncaught TypeError: date_format(): Argument #1 ($object) must be of type DateTimeInterface, bool given in /in/kH86n:2 Stack trace: #0 /in/kH86n(2): date_format(false, 'd.m.Y') #1 {main} thrown in /in/kH86n on line 2
Process exited with code 255.
Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.33: Warning: date_format() expects parameter 1 to be DateTimeInterface, bool given in /in/kH86n on line 2 Notice: A non well formed numeric value encountered in /in/kH86n on line 3 01.01.1970
Output for 7.3.32 - 7.3.33: Warning: date_format() expects parameter 1 to be DateTimeInterface, bool given in /in/kH86n on line 2 01.01.1970
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33: Warning: date_format() expects parameter 1 to be DateTimeInterface, boolean given in /in/kH86n on line 2 Notice: A non well formed numeric value encountered in /in/kH86n on line 3 01.01.1970
Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45: Warning: date_format() expects parameter 1 to be DateTime, boolean given in /in/kH86n on line 2 Notice: A non well formed numeric value encountered in /in/kH86n on line 3 01.01.1970
Output for 5.2.0 - 5.2.5: Warning: date_create(): Failed to parse time string (2711.1966) at position 8 (6): Unexpected character in /in/kH86n on line 2 Notice: A non well formed numeric value encountered in /in/kH86n on line 3 15.07.271101.01.1970
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6: Fatal error: Call to undefined function date_format() in /in/kH86n on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9: Fatal error: Call to undefined function: date_format() in /in/kH86n on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4: Fatal error: Call to undefined function: date_format() in /in/kH86n on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Call to undefined function: date_format() in /in/kH86n on line 2